Class: LogMonitor::Alerter

Inherits:
Object
  • Object
show all
Defined in:
lib/log_monitor/alerter.rb

Direct Known Subclasses

EmailAlerter, FileAlerter, WebPostAlerter

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Alerter

Returns a new instance of Alerter.



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# File 'lib/log_monitor/alerter.rb', line 3

def initialize
  clear_alert
end

Instance Method Details

#alert ⇒ Object 



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# File 'lib/log_monitor/alerter.rb', line 45

def alert
  begin
    $stdout.puts @alert_body
  rescue => e
    $stderr.puts "LogMonitor error"
    $stderr.puts e.message
    2.times $stderr.puts
  end
  clear_alert
end

#check_words ⇒ Object 



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# File 'lib/log_monitor/alerter.rb', line 26

def check_words
  is_alert = false
  @words.each do | word |
    if @alert_body.match(/#{word}/)
      is_alert = true
      break
    end
  end
  if is_alert
    alert
  end
  clear_alert
end

#clear_alert ⇒ Object 



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# File 'lib/log_monitor/alerter.rb', line 40

def clear_alert
  @alert_body = ''
  @blank_line_count = 0
end

#monitor ⇒ Object 



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# File 'lib/log_monitor/alerter.rb', line 17

def monitor
  @in.seek(0, IO::SEEK_END)
  begin
      revival_monitor
  ensure
    @in.close
  end
end

#set_in(io_in) ⇒ Object 



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# File 'lib/log_monitor/alerter.rb', line 7

def set_in(io_in)
  @io_in = io_in
  FileUtils.touch(io_in) unless File.exists?(io_in)
  @in = File.open(io_in, 'r')
end

#set_words(words) ⇒ Object 



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# File 'lib/log_monitor/alerter.rb', line 13

def set_words(words)
  @words = words
end